./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641d2e02-a259-42dc-8349-13ed81baec41/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641d2e02-a259-42dc-8349-13ed81baec41/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641d2e02-a259-42dc-8349-13ed81baec41/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641d2e02-a259-42dc-8349-13ed81baec41/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641d2e02-a259-42dc-8349-13ed81baec41/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641d2e02-a259-42dc-8349-13ed81baec41/bin/uautomizer-vX5HgA9Q3a --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bd7f84863cb412e83f8c5773a09de3282aa45b8f86409f0c880aae27635b0b5f --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 16:09:05,220 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 16:09:05,223 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 16:09:05,271 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 16:09:05,272 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 16:09:05,276 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 16:09:05,278 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 16:09:05,281 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 16:09:05,284 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 16:09:05,290 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 16:09:05,292 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 16:09:05,293 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 16:09:05,295 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 16:09:05,297 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 16:09:05,299 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 16:09:05,301 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 16:09:05,304 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 16:09:05,305 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 16:09:05,307 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 16:09:05,314 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 16:09:05,316 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 16:09:05,319 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 16:09:05,321 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 16:09:05,322 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 16:09:05,332 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 16:09:05,333 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 16:09:05,334 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 16:09:05,336 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 16:09:05,337 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 16:09:05,338 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 16:09:05,338 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 16:09:05,339 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 16:09:05,342 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 16:09:05,343 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 16:09:05,349 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 16:09:05,349 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 16:09:05,350 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 16:09:05,350 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 16:09:05,351 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 16:09:05,352 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 16:09:05,352 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 16:09:05,353 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641d2e02-a259-42dc-8349-13ed81baec41/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-21 16:09:05,393 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 16:09:05,394 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 16:09:05,394 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 16:09:05,395 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 16:09:05,396 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 16:09:05,396 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 16:09:05,397 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 16:09:05,397 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 16:09:05,397 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 16:09:05,397 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 16:09:05,399 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 16:09:05,399 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 16:09:05,399 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 16:09:05,399 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 16:09:05,400 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 16:09:05,400 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 16:09:05,400 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 16:09:05,400 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 16:09:05,400 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 16:09:05,401 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 16:09:05,401 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 16:09:05,401 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 16:09:05,401 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 16:09:05,401 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 16:09:05,402 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:09:05,402 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 16:09:05,402 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 16:09:05,402 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 16:09:05,403 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 16:09:05,403 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 16:09:05,404 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 16:09:05,404 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 16:09:05,404 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 16:09:05,404 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641d2e02-a259-42dc-8349-13ed81baec41/bin/uautomizer-vX5HgA9Q3a/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641d2e02-a259-42dc-8349-13ed81baec41/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bd7f84863cb412e83f8c5773a09de3282aa45b8f86409f0c880aae27635b0b5f [2022-11-21 16:09:05,709 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 16:09:05,737 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 16:09:05,743 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 16:09:05,744 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 16:09:05,745 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 16:09:05,747 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641d2e02-a259-42dc-8349-13ed81baec41/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c [2022-11-21 16:09:08,852 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 16:09:09,147 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 16:09:09,148 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641d2e02-a259-42dc-8349-13ed81baec41/sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c [2022-11-21 16:09:09,164 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641d2e02-a259-42dc-8349-13ed81baec41/bin/uautomizer-vX5HgA9Q3a/data/7b1459acc/337ae72502434007930b09c2167f4c5c/FLAGf9a9eb1c1 [2022-11-21 16:09:09,179 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641d2e02-a259-42dc-8349-13ed81baec41/bin/uautomizer-vX5HgA9Q3a/data/7b1459acc/337ae72502434007930b09c2167f4c5c [2022-11-21 16:09:09,181 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 16:09:09,183 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 16:09:09,185 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 16:09:09,185 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 16:09:09,195 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 16:09:09,196 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:09:09" (1/1) ... [2022-11-21 16:09:09,197 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ae0751d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:09:09, skipping insertion in model container [2022-11-21 16:09:09,198 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:09:09" (1/1) ... [2022-11-21 16:09:09,206 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 16:09:09,280 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 16:09:09,428 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641d2e02-a259-42dc-8349-13ed81baec41/sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c[1605,1618] [2022-11-21 16:09:09,558 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:09:09,583 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 16:09:09,622 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641d2e02-a259-42dc-8349-13ed81baec41/sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c[1605,1618] [2022-11-21 16:09:09,693 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:09:09,718 INFO L208 MainTranslator]: Completed translation [2022-11-21 16:09:09,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:09:09 WrapperNode [2022-11-21 16:09:09,720 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 16:09:09,721 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 16:09:09,721 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 16:09:09,721 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 16:09:09,729 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:09:09" (1/1) ... [2022-11-21 16:09:09,744 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:09:09" (1/1) ... [2022-11-21 16:09:09,767 INFO L138 Inliner]: procedures = 51, calls = 92, calls flagged for inlining = 22, calls inlined = 16, statements flattened = 137 [2022-11-21 16:09:09,768 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 16:09:09,769 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 16:09:09,769 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 16:09:09,769 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 16:09:09,780 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:09:09" (1/1) ... [2022-11-21 16:09:09,780 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:09:09" (1/1) ... [2022-11-21 16:09:09,782 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:09:09" (1/1) ... [2022-11-21 16:09:09,783 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:09:09" (1/1) ... [2022-11-21 16:09:09,787 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:09:09" (1/1) ... [2022-11-21 16:09:09,793 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:09:09" (1/1) ... [2022-11-21 16:09:09,794 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:09:09" (1/1) ... [2022-11-21 16:09:09,796 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:09:09" (1/1) ... [2022-11-21 16:09:09,813 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 16:09:09,814 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 16:09:09,814 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 16:09:09,814 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 16:09:09,815 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:09:09" (1/1) ... [2022-11-21 16:09:09,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:09:09,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641d2e02-a259-42dc-8349-13ed81baec41/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:09:09,864 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641d2e02-a259-42dc-8349-13ed81baec41/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 16:09:09,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641d2e02-a259-42dc-8349-13ed81baec41/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 16:09:09,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 16:09:09,911 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-21 16:09:09,912 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-21 16:09:09,913 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-21 16:09:09,913 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-21 16:09:09,914 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-21 16:09:09,915 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-21 16:09:09,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 16:09:09,919 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-21 16:09:09,925 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-21 16:09:09,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 16:09:09,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 16:09:10,002 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 16:09:10,005 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 16:09:10,311 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 16:09:10,319 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 16:09:10,320 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-21 16:09:10,322 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:09:10 BoogieIcfgContainer [2022-11-21 16:09:10,322 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 16:09:10,345 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 16:09:10,346 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 16:09:10,350 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 16:09:10,350 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 04:09:09" (1/3) ... [2022-11-21 16:09:10,351 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a9b02e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:09:10, skipping insertion in model container [2022-11-21 16:09:10,351 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:09:09" (2/3) ... [2022-11-21 16:09:10,352 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a9b02e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:09:10, skipping insertion in model container [2022-11-21 16:09:10,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:09:10" (3/3) ... [2022-11-21 16:09:10,354 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product11.cil.c [2022-11-21 16:09:10,376 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 16:09:10,377 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-21 16:09:10,434 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 16:09:10,442 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@17cbac9b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 16:09:10,442 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-21 16:09:10,447 INFO L276 IsEmpty]: Start isEmpty. Operand has 62 states, 50 states have (on average 1.4) internal successors, (70), 54 states have internal predecessors, (70), 6 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-21 16:09:10,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-21 16:09:10,458 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:09:10,458 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:09:10,459 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:09:10,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:09:10,466 INFO L85 PathProgramCache]: Analyzing trace with hash -192528358, now seen corresponding path program 1 times [2022-11-21 16:09:10,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:09:10,479 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927052162] [2022-11-21 16:09:10,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:09:10,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:09:10,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:09:10,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:09:10,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:09:10,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927052162] [2022-11-21 16:09:10,684 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927052162] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:09:10,684 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:09:10,684 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:09:10,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839125036] [2022-11-21 16:09:10,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:09:10,693 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-21 16:09:10,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:09:10,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-21 16:09:10,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-21 16:09:10,732 INFO L87 Difference]: Start difference. First operand has 62 states, 50 states have (on average 1.4) internal successors, (70), 54 states have internal predecessors, (70), 6 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:09:10,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:09:10,783 INFO L93 Difference]: Finished difference Result 116 states and 159 transitions. [2022-11-21 16:09:10,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-21 16:09:10,791 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-11-21 16:09:10,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:09:10,803 INFO L225 Difference]: With dead ends: 116 [2022-11-21 16:09:10,803 INFO L226 Difference]: Without dead ends: 53 [2022-11-21 16:09:10,809 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-21 16:09:10,818 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 16:09:10,821 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 16:09:10,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2022-11-21 16:09:10,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2022-11-21 16:09:10,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 43 states have (on average 1.302325581395349) internal successors, (56), 46 states have internal predecessors, (56), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-21 16:09:10,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 67 transitions. [2022-11-21 16:09:10,869 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 67 transitions. Word has length 19 [2022-11-21 16:09:10,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:09:10,869 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 67 transitions. [2022-11-21 16:09:10,869 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:09:10,885 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 67 transitions. [2022-11-21 16:09:10,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-21 16:09:10,887 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:09:10,887 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:09:10,887 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 16:09:10,888 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:09:10,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:09:10,889 INFO L85 PathProgramCache]: Analyzing trace with hash 1987482606, now seen corresponding path program 1 times [2022-11-21 16:09:10,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:09:10,889 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115082684] [2022-11-21 16:09:10,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:09:10,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:09:10,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:09:11,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:09:11,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:09:11,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115082684] [2022-11-21 16:09:11,094 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115082684] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:09:11,094 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:09:11,094 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 16:09:11,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24676925] [2022-11-21 16:09:11,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:09:11,096 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:09:11,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:09:11,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:09:11,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:09:11,097 INFO L87 Difference]: Start difference. First operand 53 states and 67 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:09:11,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:09:11,113 INFO L93 Difference]: Finished difference Result 68 states and 85 transitions. [2022-11-21 16:09:11,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:09:11,114 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-11-21 16:09:11,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:09:11,115 INFO L225 Difference]: With dead ends: 68 [2022-11-21 16:09:11,115 INFO L226 Difference]: Without dead ends: 44 [2022-11-21 16:09:11,116 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:09:11,117 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 17 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 16:09:11,118 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 87 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 16:09:11,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2022-11-21 16:09:11,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2022-11-21 16:09:11,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 37 states have (on average 1.3243243243243243) internal successors, (49), 40 states have internal predecessors, (49), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-21 16:09:11,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 55 transitions. [2022-11-21 16:09:11,127 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 55 transitions. Word has length 20 [2022-11-21 16:09:11,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:09:11,127 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 55 transitions. [2022-11-21 16:09:11,127 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:09:11,128 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 55 transitions. [2022-11-21 16:09:11,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-21 16:09:11,129 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:09:11,129 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:09:11,129 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-21 16:09:11,130 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:09:11,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:09:11,131 INFO L85 PathProgramCache]: Analyzing trace with hash -296029766, now seen corresponding path program 1 times [2022-11-21 16:09:11,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:09:11,131 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642691663] [2022-11-21 16:09:11,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:09:11,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:09:11,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:09:11,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:09:11,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:09:11,334 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642691663] [2022-11-21 16:09:11,334 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1642691663] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:09:11,335 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:09:11,335 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:09:11,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429582664] [2022-11-21 16:09:11,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:09:11,336 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:09:11,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:09:11,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:09:11,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:09:11,337 INFO L87 Difference]: Start difference. First operand 44 states and 55 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:09:11,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:09:11,378 INFO L93 Difference]: Finished difference Result 117 states and 151 transitions. [2022-11-21 16:09:11,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:09:11,385 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-11-21 16:09:11,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:09:11,387 INFO L225 Difference]: With dead ends: 117 [2022-11-21 16:09:11,387 INFO L226 Difference]: Without dead ends: 80 [2022-11-21 16:09:11,388 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:09:11,389 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 35 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 16:09:11,390 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 102 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 16:09:11,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2022-11-21 16:09:11,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 75. [2022-11-21 16:09:11,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 62 states have (on average 1.3548387096774193) internal successors, (84), 67 states have internal predecessors, (84), 6 states have call successors, (6), 6 states have call predecessors, (6), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-21 16:09:11,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 96 transitions. [2022-11-21 16:09:11,408 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 96 transitions. Word has length 24 [2022-11-21 16:09:11,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:09:11,409 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 96 transitions. [2022-11-21 16:09:11,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:09:11,409 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 96 transitions. [2022-11-21 16:09:11,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-21 16:09:11,411 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:09:11,411 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:09:11,411 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-21 16:09:11,412 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:09:11,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:09:11,413 INFO L85 PathProgramCache]: Analyzing trace with hash 1716566345, now seen corresponding path program 1 times [2022-11-21 16:09:11,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:09:11,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036226208] [2022-11-21 16:09:11,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:09:11,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:09:11,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:09:11,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:09:11,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:09:11,688 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036226208] [2022-11-21 16:09:11,688 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1036226208] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:09:11,688 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:09:11,688 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 16:09:11,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771816372] [2022-11-21 16:09:11,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:09:11,689 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:09:11,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:09:11,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:09:11,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:09:11,691 INFO L87 Difference]: Start difference. First operand 75 states and 96 transitions. Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:09:11,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:09:11,922 INFO L93 Difference]: Finished difference Result 243 states and 329 transitions. [2022-11-21 16:09:11,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-21 16:09:11,923 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2022-11-21 16:09:11,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:09:11,928 INFO L225 Difference]: With dead ends: 243 [2022-11-21 16:09:11,932 INFO L226 Difference]: Without dead ends: 175 [2022-11-21 16:09:11,933 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-11-21 16:09:11,937 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 112 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-21 16:09:11,941 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 284 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 16:09:11,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2022-11-21 16:09:11,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 133. [2022-11-21 16:09:11,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 110 states have (on average 1.3454545454545455) internal successors, (148), 119 states have internal predecessors, (148), 10 states have call successors, (10), 10 states have call predecessors, (10), 12 states have return successors, (14), 12 states have call predecessors, (14), 10 states have call successors, (14) [2022-11-21 16:09:11,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 172 transitions. [2022-11-21 16:09:11,973 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 172 transitions. Word has length 25 [2022-11-21 16:09:11,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:09:11,974 INFO L495 AbstractCegarLoop]: Abstraction has 133 states and 172 transitions. [2022-11-21 16:09:11,974 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:09:11,974 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 172 transitions. [2022-11-21 16:09:11,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-21 16:09:11,976 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:09:11,976 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:09:11,976 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-21 16:09:11,977 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:09:11,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:09:11,978 INFO L85 PathProgramCache]: Analyzing trace with hash 1833945412, now seen corresponding path program 1 times [2022-11-21 16:09:11,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:09:11,978 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390403767] [2022-11-21 16:09:11,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:09:11,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:09:11,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:09:12,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:09:12,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:09:12,033 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390403767] [2022-11-21 16:09:12,033 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390403767] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:09:12,033 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:09:12,034 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:09:12,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432452721] [2022-11-21 16:09:12,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:09:12,035 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:09:12,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:09:12,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:09:12,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:09:12,037 INFO L87 Difference]: Start difference. First operand 133 states and 172 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:09:12,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:09:12,093 INFO L93 Difference]: Finished difference Result 249 states and 327 transitions. [2022-11-21 16:09:12,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:09:12,100 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2022-11-21 16:09:12,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:09:12,101 INFO L225 Difference]: With dead ends: 249 [2022-11-21 16:09:12,101 INFO L226 Difference]: Without dead ends: 123 [2022-11-21 16:09:12,102 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:09:12,104 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 33 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 16:09:12,104 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 46 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 16:09:12,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2022-11-21 16:09:12,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2022-11-21 16:09:12,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 100 states have (on average 1.28) internal successors, (128), 109 states have internal predecessors, (128), 10 states have call successors, (10), 10 states have call predecessors, (10), 12 states have return successors, (12), 12 states have call predecessors, (12), 10 states have call successors, (12) [2022-11-21 16:09:12,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 150 transitions. [2022-11-21 16:09:12,140 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 150 transitions. Word has length 27 [2022-11-21 16:09:12,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:09:12,142 INFO L495 AbstractCegarLoop]: Abstraction has 123 states and 150 transitions. [2022-11-21 16:09:12,143 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:09:12,143 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 150 transitions. [2022-11-21 16:09:12,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-21 16:09:12,151 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:09:12,151 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:09:12,152 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-21 16:09:12,152 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:09:12,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:09:12,153 INFO L85 PathProgramCache]: Analyzing trace with hash 957939555, now seen corresponding path program 1 times [2022-11-21 16:09:12,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:09:12,154 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238361278] [2022-11-21 16:09:12,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:09:12,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:09:12,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:09:12,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 16:09:12,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:09:12,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:09:12,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:09:12,506 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238361278] [2022-11-21 16:09:12,506 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [238361278] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:09:12,506 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:09:12,506 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-21 16:09:12,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300676287] [2022-11-21 16:09:12,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:09:12,508 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-21 16:09:12,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:09:12,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-21 16:09:12,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-11-21 16:09:12,510 INFO L87 Difference]: Start difference. First operand 123 states and 150 transitions. Second operand has 8 states, 8 states have (on average 3.25) internal successors, (26), 6 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-21 16:09:12,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:09:12,812 INFO L93 Difference]: Finished difference Result 355 states and 445 transitions. [2022-11-21 16:09:12,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-21 16:09:12,815 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.25) internal successors, (26), 6 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2022-11-21 16:09:12,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:09:12,823 INFO L225 Difference]: With dead ends: 355 [2022-11-21 16:09:12,823 INFO L226 Difference]: Without dead ends: 239 [2022-11-21 16:09:12,826 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2022-11-21 16:09:12,832 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 142 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-21 16:09:12,835 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 241 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 16:09:12,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2022-11-21 16:09:12,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 180. [2022-11-21 16:09:12,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 145 states have (on average 1.2689655172413794) internal successors, (184), 158 states have internal predecessors, (184), 16 states have call successors, (16), 16 states have call predecessors, (16), 18 states have return successors, (18), 16 states have call predecessors, (18), 16 states have call successors, (18) [2022-11-21 16:09:12,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 218 transitions. [2022-11-21 16:09:12,888 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 218 transitions. Word has length 29 [2022-11-21 16:09:12,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:09:12,889 INFO L495 AbstractCegarLoop]: Abstraction has 180 states and 218 transitions. [2022-11-21 16:09:12,889 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.25) internal successors, (26), 6 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-21 16:09:12,889 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 218 transitions. [2022-11-21 16:09:12,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-21 16:09:12,899 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:09:12,899 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:09:12,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-21 16:09:12,900 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:09:12,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:09:12,901 INFO L85 PathProgramCache]: Analyzing trace with hash -426576330, now seen corresponding path program 1 times [2022-11-21 16:09:12,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:09:12,901 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611074136] [2022-11-21 16:09:12,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:09:12,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:09:12,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:09:13,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 16:09:13,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:09:13,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-21 16:09:13,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:09:13,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-21 16:09:13,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:09:13,069 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-21 16:09:13,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:09:13,069 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611074136] [2022-11-21 16:09:13,069 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1611074136] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 16:09:13,069 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [69071397] [2022-11-21 16:09:13,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:09:13,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:09:13,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641d2e02-a259-42dc-8349-13ed81baec41/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:09:13,074 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641d2e02-a259-42dc-8349-13ed81baec41/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 16:09:13,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641d2e02-a259-42dc-8349-13ed81baec41/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-21 16:09:13,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:09:13,169 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-21 16:09:13,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:09:13,372 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-21 16:09:13,372 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 16:09:13,677 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:09:13,678 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [69071397] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-21 16:09:13,678 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-21 16:09:13,678 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 7] total 14 [2022-11-21 16:09:13,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982180466] [2022-11-21 16:09:13,679 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-21 16:09:13,679 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-21 16:09:13,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:09:13,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-21 16:09:13,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2022-11-21 16:09:13,681 INFO L87 Difference]: Start difference. First operand 180 states and 218 transitions. Second operand has 14 states, 14 states have (on average 6.0) internal successors, (84), 12 states have internal predecessors, (84), 4 states have call successors, (10), 6 states have call predecessors, (10), 7 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2022-11-21 16:09:13,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:09:13,910 INFO L93 Difference]: Finished difference Result 237 states and 290 transitions. [2022-11-21 16:09:13,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 16:09:13,910 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 6.0) internal successors, (84), 12 states have internal predecessors, (84), 4 states have call successors, (10), 6 states have call predecessors, (10), 7 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 51 [2022-11-21 16:09:13,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:09:13,912 INFO L225 Difference]: With dead ends: 237 [2022-11-21 16:09:13,912 INFO L226 Difference]: Without dead ends: 0 [2022-11-21 16:09:13,915 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 94 SyntacticMatches, 5 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2022-11-21 16:09:13,916 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 130 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-21 16:09:13,917 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 366 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 16:09:13,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-21 16:09:13,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-21 16:09:13,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:09:13,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-21 16:09:13,919 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 51 [2022-11-21 16:09:13,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:09:13,919 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-21 16:09:13,920 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 6.0) internal successors, (84), 12 states have internal predecessors, (84), 4 states have call successors, (10), 6 states have call predecessors, (10), 7 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2022-11-21 16:09:13,920 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-21 16:09:13,920 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 16:09:13,922 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-21 16:09:13,937 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641d2e02-a259-42dc-8349-13ed81baec41/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-21 16:09:14,128 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641d2e02-a259-42dc-8349-13ed81baec41/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:09:14,130 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-21 16:09:15,014 INFO L899 garLoopResultBuilder]: For program point L336-1(lines 332 343) no Hoare annotation was computed. [2022-11-21 16:09:15,014 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 332 343) the Hoare annotation is: true [2022-11-21 16:09:15,014 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 332 343) no Hoare annotation was computed. [2022-11-21 16:09:15,015 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 387 416) no Hoare annotation was computed. [2022-11-21 16:09:15,015 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 387 416) the Hoare annotation is: true [2022-11-21 16:09:15,015 INFO L902 garLoopResultBuilder]: At program point L412(lines 387 416) the Hoare annotation is: true [2022-11-21 16:09:15,015 INFO L899 garLoopResultBuilder]: For program point L408(line 408) no Hoare annotation was computed. [2022-11-21 16:09:15,015 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 405) no Hoare annotation was computed. [2022-11-21 16:09:15,015 INFO L902 garLoopResultBuilder]: At program point L401-1(lines 401 405) the Hoare annotation is: true [2022-11-21 16:09:15,015 INFO L899 garLoopResultBuilder]: For program point L398(line 398) no Hoare annotation was computed. [2022-11-21 16:09:15,016 INFO L902 garLoopResultBuilder]: At program point L397-2(lines 397 411) the Hoare annotation is: true [2022-11-21 16:09:15,016 INFO L902 garLoopResultBuilder]: At program point L393(line 393) the Hoare annotation is: true [2022-11-21 16:09:15,016 INFO L899 garLoopResultBuilder]: For program point L393-1(line 393) no Hoare annotation was computed. [2022-11-21 16:09:15,016 INFO L895 garLoopResultBuilder]: At program point L153(lines 148 156) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (<= 1 |old(~waterLevel~0)|))) [2022-11-21 16:09:15,016 INFO L899 garLoopResultBuilder]: For program point L312(lines 312 316) no Hoare annotation was computed. [2022-11-21 16:09:15,017 INFO L895 garLoopResultBuilder]: At program point L312-2(lines 308 319) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (<= 1 |old(~waterLevel~0)|))) [2022-11-21 16:09:15,017 INFO L899 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2022-11-21 16:09:15,017 INFO L899 garLoopResultBuilder]: For program point L83-1(lines 83 89) no Hoare annotation was computed. [2022-11-21 16:09:15,017 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 72 95) no Hoare annotation was computed. [2022-11-21 16:09:15,017 INFO L895 garLoopResultBuilder]: At program point L100(lines 96 102) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) (= ~waterLevel~0 1)))) [2022-11-21 16:09:15,017 INFO L899 garLoopResultBuilder]: For program point L292(lines 292 298) no Hoare annotation was computed. [2022-11-21 16:09:15,018 INFO L899 garLoopResultBuilder]: For program point L288(lines 288 301) no Hoare annotation was computed. [2022-11-21 16:09:15,018 INFO L895 garLoopResultBuilder]: At program point L288-1(lines 280 304) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= |timeShift___utac_acc__Specification4_spec__1_~tmp~2#1| 0))) (.cse2 (not (= |timeShift_getWaterLevel_#res#1| 0)))) (and (or .cse0 (and .cse1 .cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and .cse1 .cse2 (= ~waterLevel~0 1))))) [2022-11-21 16:09:15,018 INFO L895 garLoopResultBuilder]: At program point L381(lines 376 384) the Hoare annotation is: (let ((.cse1 (not (= ~pumpRunning~0 0))) (.cse0 (not (= |timeShift_getWaterLevel_#res#1| 0)))) (and (or (and .cse0 (= ~waterLevel~0 1)) .cse1 (not (= |old(~waterLevel~0)| 1))) (or .cse1 (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (not (<= 2 |old(~waterLevel~0)|))))) [2022-11-21 16:09:15,018 INFO L895 garLoopResultBuilder]: At program point L55(lines 50 57) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (<= 1 |old(~waterLevel~0)|))) [2022-11-21 16:09:15,019 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 72 95) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) (= ~waterLevel~0 1)))) [2022-11-21 16:09:15,019 INFO L899 garLoopResultBuilder]: For program point L76-1(lines 75 94) no Hoare annotation was computed. [2022-11-21 16:09:15,019 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 72 95) no Hoare annotation was computed. [2022-11-21 16:09:15,019 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2022-11-21 16:09:15,019 INFO L895 garLoopResultBuilder]: At program point L258-2(lines 252 265) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 (= ~waterLevel~0 1)) (and .cse0 (<= 2 ~waterLevel~0) .cse1))) [2022-11-21 16:09:15,019 INFO L899 garLoopResultBuilder]: For program point L242(lines 242 248) no Hoare annotation was computed. [2022-11-21 16:09:15,020 INFO L899 garLoopResultBuilder]: For program point L242-1(lines 242 248) no Hoare annotation was computed. [2022-11-21 16:09:15,020 INFO L895 garLoopResultBuilder]: At program point L205(lines 193 207) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 (= ~waterLevel~0 1)) (and .cse0 (<= 2 ~waterLevel~0) .cse1))) [2022-11-21 16:09:15,020 INFO L895 garLoopResultBuilder]: At program point L267(lines 222 269) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 (= ~waterLevel~0 1)) (and .cse0 (<= 2 ~waterLevel~0) .cse1))) [2022-11-21 16:09:15,020 INFO L895 garLoopResultBuilder]: At program point L234(line 234) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 (= ~waterLevel~0 1)) (and .cse0 (<= 2 ~waterLevel~0) .cse1))) [2022-11-21 16:09:15,020 INFO L899 garLoopResultBuilder]: For program point L197(lines 197 203) no Hoare annotation was computed. [2022-11-21 16:09:15,020 INFO L899 garLoopResultBuilder]: For program point L197-2(lines 197 203) no Hoare annotation was computed. [2022-11-21 16:09:15,021 INFO L895 garLoopResultBuilder]: At program point L866(lines 862 868) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1) (= ~waterLevel~0 ~systemActive~0)) [2022-11-21 16:09:15,021 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-21 16:09:15,021 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-21 16:09:15,021 INFO L895 garLoopResultBuilder]: At program point L445(lines 441 447) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1) (= ~waterLevel~0 ~systemActive~0)) [2022-11-21 16:09:15,021 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-21 16:09:15,021 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-21 16:09:15,022 INFO L899 garLoopResultBuilder]: For program point L223(lines 222 269) no Hoare annotation was computed. [2022-11-21 16:09:15,022 INFO L899 garLoopResultBuilder]: For program point L252(lines 252 265) no Hoare annotation was computed. [2022-11-21 16:09:15,022 INFO L899 garLoopResultBuilder]: For program point L471(lines 471 478) no Hoare annotation was computed. [2022-11-21 16:09:15,022 INFO L899 garLoopResultBuilder]: For program point L471-2(lines 471 478) no Hoare annotation was computed. [2022-11-21 16:09:15,022 INFO L895 garLoopResultBuilder]: At program point L244(line 244) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 (= ~waterLevel~0 1)) (and .cse0 (<= 2 ~waterLevel~0) .cse1))) [2022-11-21 16:09:15,022 INFO L902 garLoopResultBuilder]: At program point L273(lines 212 277) the Hoare annotation is: true [2022-11-21 16:09:15,022 INFO L899 garLoopResultBuilder]: For program point L232(lines 232 238) no Hoare annotation was computed. [2022-11-21 16:09:15,023 INFO L899 garLoopResultBuilder]: For program point L232-1(lines 232 238) no Hoare annotation was computed. [2022-11-21 16:09:15,023 INFO L902 garLoopResultBuilder]: At program point L455(lines 448 457) the Hoare annotation is: true [2022-11-21 16:09:15,023 INFO L899 garLoopResultBuilder]: For program point L224(lines 224 228) no Hoare annotation was computed. [2022-11-21 16:09:15,023 INFO L902 garLoopResultBuilder]: At program point L480(lines 461 483) the Hoare annotation is: true [2022-11-21 16:09:15,023 INFO L895 garLoopResultBuilder]: At program point L881(lines 876 884) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1) (= ~waterLevel~0 ~systemActive~0)) [2022-11-21 16:09:15,023 INFO L895 garLoopResultBuilder]: At program point L270(lines 221 271) the Hoare annotation is: false [2022-11-21 16:09:15,024 INFO L895 garLoopResultBuilder]: At program point L873(lines 869 875) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1) (= ~waterLevel~0 ~systemActive~0)) [2022-11-21 16:09:15,024 INFO L895 garLoopResultBuilder]: At program point L134(lines 129 136) the Hoare annotation is: false [2022-11-21 16:09:15,024 INFO L899 garLoopResultBuilder]: For program point L258(lines 258 264) no Hoare annotation was computed. [2022-11-21 16:09:15,024 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 320 331) no Hoare annotation was computed. [2022-11-21 16:09:15,024 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 320 331) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) (= ~waterLevel~0 1)))) [2022-11-21 16:09:15,024 INFO L899 garLoopResultBuilder]: For program point L324-1(lines 320 331) no Hoare annotation was computed. [2022-11-21 16:09:15,036 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:09:15,038 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-21 16:09:15,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 04:09:15 BoogieIcfgContainer [2022-11-21 16:09:15,069 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-21 16:09:15,070 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 16:09:15,070 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 16:09:15,070 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 16:09:15,070 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:09:10" (3/4) ... [2022-11-21 16:09:15,074 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 16:09:15,082 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-21 16:09:15,082 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-21 16:09:15,083 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-21 16:09:15,083 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-21 16:09:15,095 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2022-11-21 16:09:15,095 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-21 16:09:15,099 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-21 16:09:15,104 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 16:09:15,104 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 16:09:15,129 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(pumpRunning == 0) || !(1 <= \old(waterLevel)) [2022-11-21 16:09:15,129 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(pumpRunning == 0) || \old(waterLevel) == waterLevel) || !(2 <= \old(waterLevel))) && ((!(pumpRunning == 0) || !(\old(waterLevel) == 1)) || waterLevel == 1) [2022-11-21 16:09:15,130 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\result == 0) && waterLevel == 1) || !(pumpRunning == 0)) || !(\old(waterLevel) == 1)) && ((!(pumpRunning == 0) || (!(\result == 0) && \old(waterLevel) == waterLevel)) || !(2 <= \old(waterLevel))) [2022-11-21 16:09:15,130 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(pumpRunning == 0) || ((!(tmp == 0) && !(\result == 0)) && \old(waterLevel) == waterLevel)) || !(2 <= \old(waterLevel))) && ((!(pumpRunning == 0) || !(\old(waterLevel) == 1)) || ((!(tmp == 0) && !(\result == 0)) && waterLevel == 1)) [2022-11-21 16:09:15,131 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(pumpRunning == 0) || !(1 <= \old(waterLevel)) [2022-11-21 16:09:15,131 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(pumpRunning == 0) || !(1 <= \old(waterLevel)) [2022-11-21 16:09:15,147 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641d2e02-a259-42dc-8349-13ed81baec41/bin/uautomizer-vX5HgA9Q3a/witness.graphml [2022-11-21 16:09:15,147 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 16:09:15,147 INFO L158 Benchmark]: Toolchain (without parser) took 5964.42ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 113.9MB in the beginning and 52.8MB in the end (delta: 61.1MB). Peak memory consumption was 92.7MB. Max. memory is 16.1GB. [2022-11-21 16:09:15,148 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 72.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:09:15,148 INFO L158 Benchmark]: CACSL2BoogieTranslator took 535.39ms. Allocated memory is still 144.7MB. Free memory was 113.9MB in the beginning and 95.7MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-21 16:09:15,148 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.96ms. Allocated memory is still 144.7MB. Free memory was 95.7MB in the beginning and 93.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 16:09:15,149 INFO L158 Benchmark]: Boogie Preprocessor took 44.45ms. Allocated memory is still 144.7MB. Free memory was 93.6MB in the beginning and 92.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:09:15,149 INFO L158 Benchmark]: RCFGBuilder took 508.73ms. Allocated memory is still 144.7MB. Free memory was 92.5MB in the beginning and 78.9MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-21 16:09:15,149 INFO L158 Benchmark]: TraceAbstraction took 4723.68ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 78.4MB in the beginning and 58.1MB in the end (delta: 20.3MB). Peak memory consumption was 52.9MB. Max. memory is 16.1GB. [2022-11-21 16:09:15,150 INFO L158 Benchmark]: Witness Printer took 77.28ms. Allocated memory is still 174.1MB. Free memory was 58.1MB in the beginning and 52.8MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 16:09:15,151 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 72.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 535.39ms. Allocated memory is still 144.7MB. Free memory was 113.9MB in the beginning and 95.7MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.96ms. Allocated memory is still 144.7MB. Free memory was 95.7MB in the beginning and 93.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.45ms. Allocated memory is still 144.7MB. Free memory was 93.6MB in the beginning and 92.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 508.73ms. Allocated memory is still 144.7MB. Free memory was 92.5MB in the beginning and 78.9MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 4723.68ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 78.4MB in the beginning and 58.1MB in the end (delta: 20.3MB). Peak memory consumption was 52.9MB. Max. memory is 16.1GB. * Witness Printer took 77.28ms. Allocated memory is still 174.1MB. Free memory was 58.1MB in the beginning and 52.8MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 62 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.6s, OverallIterations: 7, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 474 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 469 mSDsluCounter, 1202 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 810 mSDsCounter, 75 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 301 IncrementalHoareTripleChecker+Invalid, 376 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 75 mSolverCounterUnsat, 392 mSDtfsCounter, 301 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 152 GetRequests, 104 SyntacticMatches, 5 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=180occurred in iteration=6, InterpolantAutomatonStates: 41, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 7 MinimizatonAttempts, 106 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 28 LocationsWithAnnotation, 226 PreInvPairs, 260 NumberOfFragments, 336 HoareAnnotationTreeSize, 226 FomulaSimplifications, 259 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 28 FomulaSimplificationsInter, 2006 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 246 NumberOfCodeBlocks, 246 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 288 ConstructedInterpolants, 0 QuantifiedInterpolants, 769 SizeOfPredicates, 0 NumberOfNonLiveVariables, 206 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 9 InterpolantComputations, 6 PerfectInterpolantSequences, 51/57 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 876]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && waterLevel == 1) && waterLevel == systemActive - InvariantResult [Line: 448]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: ((!(pumpRunning == 0) || \old(waterLevel) == waterLevel) || !(2 <= \old(waterLevel))) && ((!(pumpRunning == 0) || !(\old(waterLevel) == 1)) || waterLevel == 1) - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && waterLevel == 1) && waterLevel == systemActive - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && splverifierCounter == 0) && waterLevel == 1) || ((pumpRunning == 0 && 2 <= waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 222]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && splverifierCounter == 0) && waterLevel == 1) || ((pumpRunning == 0 && 2 <= waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 869]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && waterLevel == 1) && waterLevel == systemActive - InvariantResult [Line: 221]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 862]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && waterLevel == 1) && waterLevel == systemActive - InvariantResult [Line: 148]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) || !(1 <= \old(waterLevel)) - InvariantResult [Line: 212]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 397]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) || !(1 <= \old(waterLevel)) - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) || !(1 <= \old(waterLevel)) - InvariantResult [Line: 461]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 280]: Loop Invariant Derived loop invariant: ((!(pumpRunning == 0) || ((!(tmp == 0) && !(\result == 0)) && \old(waterLevel) == waterLevel)) || !(2 <= \old(waterLevel))) && ((!(pumpRunning == 0) || !(\old(waterLevel) == 1)) || ((!(tmp == 0) && !(\result == 0)) && waterLevel == 1)) - InvariantResult [Line: 376]: Loop Invariant Derived loop invariant: (((!(\result == 0) && waterLevel == 1) || !(pumpRunning == 0)) || !(\old(waterLevel) == 1)) && ((!(pumpRunning == 0) || (!(\result == 0) && \old(waterLevel) == waterLevel)) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 387]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-21 16:09:15,178 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_641d2e02-a259-42dc-8349-13ed81baec41/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE